... .2 pcs batteries 3.color optional Led Flashing Star Stud Earrings Led Earring (CE, RoHS Approval ) 1.Material:Metal Non-phthalate ... materials(inside and out side) safety2.Five colors ; red ,blue ,white ,pink ,green .3 ... and change the battery is easy ,no any wastage .LED earrings -----Newest earringsHave 5colors, red, blue, white, jade green and pink ...